1638881784

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1198013}}^1$

素因数の和:1198044

約数の個数: 48

約数和(自身を含む): 4672254600

約数和(自身を除く): 3033372816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 1198013, 2396026, 3594039, 4792052, 7188078, 9584104, 10782117, 14376156, 21564234, 22762247, 28752312, 43128468, 45524494, 68286741, 86256936, 91048988, 136573482, 182097976, 204860223, 273146964, 409720446, 546293928, 819440892, 1638881784]

約数ペア:

[(1, 1638881784), (2, 819440892), (3, 546293928), (4, 409720446), (6, 273146964), (8, 204860223), (9, 182097976), (12, 136573482), (18, 91048988), (19, 86256936), (24, 68286741), (36, 45524494), (38, 43128468), (57, 28752312), (72, 22762247), (76, 21564234), (114, 14376156), (152, 10782117), (171, 9584104), (228, 7188078), (342, 4792052), (456, 3594039), (684, 2396026), (1368, 1198013)]